Valley County's 2026 population is estimated at 7,352, reflecting a -0.55% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Valley County is the 29th largest county in Montana. The 2010 population was 7,378 and has grown -0.35% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.3 years
Female: 44.7 years
Male: 44.1 years
There are 5,840 adults, (1,843 of whom are seniors) in Valley County.
Female: 3,739 (49.7%)
Male: 3,780 (50.3%)
The racial composition of Valley County includes 84.53% White, 8.33% Native American, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 6,356 | 84.53% |
| Native American | 626 | 8.33% |
| Two or more races | 391 | 5.2% |
| Other race | 114 | 1.52% |
| Black or African American | 30 | 0.4% |
| Asian | 2 | 0.03% |
Valley County 's average per capita income is $41,933. Household income levels show a median of $71,695. The poverty rate stands at 10.12%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $95,259 | - |
| Families | $91,846 | $98,881 |
| Households | $71,695 | $83,985 |
| Non Families | $43,359 | $58,126 |
Average Income
Median Household Income
Poverty Rate
